Where does “déan” come from?

déan (Irish) comes from English Dean, from Middle English den, from Old French deien, from Latin decānus, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

déan (Irish): do; make; first-person singular future dependent...

Definitions

  1. do; make; first-person singular future dependent...

Ancestry of “déan”, step by step

déan traces back through two separate lines of ancestry.

via English Dean

StepLanguageWordMeaning
1EnglishDeanA title afforded to a dean
2Middle EnglishdenA cave or cavern
3Old Frenchdeien
4Latindecānuschief of ten people (in various contexts)
5Latindecemten; 10
6Latin-nus-an
7Proto-Italic-nosCreates verbal adjectives from verb stems
8Proto-Indo-European-nósCreates verbal adjectives from roots

via Old Irish ·dénai

StepLanguageWordMeaning
1Old Irish·dénai
2Old Irishdo·gní

Words derived from “déan

Every word from Proto-Indo-European -nósEvery word from Latin -nusEvery word from Latin decem
déan — Etymology, Origin & Word History | Etymology Explorer